e storm tion, which gave an average speed, including stops, of wrench which may be quickly and easily adjusted to a occur. In the engraving the main mercury tube is 63"61 miles an hour. nut of any size and its jaws firmly locked in adjusted represented with a cylindrical bulb at the top, and con-… … the dotted spring connects the lever with the front VESSEY'S WRENCH. lines, the con- portion of the arm connected with the necting tube movable jaw, and hinged to this fair to compare them with a run of twice the distance may be formed spring is a wedge adapted to enter the space between of the…
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